About this document
Depleted Soils and Food Mineral Content by Art is a document available to read on EtoBox.
This document examines the hypothesis that depleted soils are causing a reduction in the mineral content of food crops. It analyzes USDA food composition data from 1963 and 1999 and finds that while some minerals in individual crops have decreased, the ratios of calcium, magnesium, and potassium have remained stable, suggesting proportions have been maintained. The document concludes that widespread fertilizer use in modern agriculture argues against the notion of widespread soil depletion impacting mineral
- Author
- Art
- Language
- EN